AI agents call find_callees to retrieve information from Reporecall without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs static analysis to retrieve call graph information from an indexed codebase. It reads and returns data about which functions are invoked by a specified function, with no side effects, modifications, or code execution. The operation is purely informational and safe for an AI agent to use.
From the tool's definition Tool name 'find_callees' and description 'Find functions called by a given function' indicate a query operation that retrieves information about code structure without modifying or executing code.
Documented attack patterns abuse exactly the kind of access find_callees gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Reporecall, and nothing reaches the server without passing your rules. This is the rule we recommend for find_callees:
{
"version": "1",
"default": "deny",
"tools": {
"find_callees": {}
}
}find_callees is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Find functions called by a given function. It is categorised as a Read tool in the Reporecall MCP Server, which means it retrieves data without modifying state.
Register the Reporecall MCP server in PolicyLayer and add a rule for find_callees: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Reporecall. Nothing to install.
find_callees is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the find_callees rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for find_callees. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
find_callees is provided by the Reporecall MCP server (proofofwork-agency/reporecall). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 30 Reporecall tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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30 Reporecall tools catalogued and risk-classified — across an index of 42,500+ MCP servers.